package com.example.demo.collectionDemo;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;

/**
 * Created by 蔡超 on 2018/10/8.
 */
public class CollectionDemo {

    public String method(int x,int y){
        return "";
    }


    public String method(double x ,double y){
        return "";
    }

    public static void main(String[] args) {
    }
}
